MTL - Chaos Fiend - Chapter 15 Fallen Witch

Imagine a system that would let you create any skill you could imagine. Being the best at whatever you dreamt of becoming.Felix, who thought his whole life would remain average and ordinary despite hating it gets an unescapable chance to encounter the Legendary Truck-kun. Knowing it was a chance to change his life, which was a repeat of struggle every day, he happily accepted his ticket to Isekai.Waking up in the body of a wounded boy in a fantasy world, the boy finds out that his fate seems miserable. After nearly experiencing something worse than death, he finally awakens the Great Skill Creation System.Creating skill after skill that lets him achieve his goal, Felix treads upon the darkest of secrets and conquers a myriad of worlds with his trustful comrades. Watch how he changes the fates of everyone and the universe on his mystical journey.

Mochizuki Touya, a 15-year-old boy, who got zapped by a flash of lightning due to a freak accident caused by God, wakes up and finds himself face-to-face with God.

Youyou is a mother’s precious daughter. The word she often talks about is: “My mother said…” Therefore, many people laughed at her for not being weaned, but Xu Youyou didn’t care, she still went her own way, determined to be the best mother’s baby girl.
In high school, Xu Youyou was pressed by the domineering school grass against the wall to confess. Xu Youyou frowned and refused: “No, my mother said that the most important thing for students is to study! Otherwise, they will become the scum of society in the future!” Someone who has a single-digit score and hates studying: “….”
In college, a rich and handsome president He wanted to use favorable conditions to help Xu Youyou, but got a contemptuous look from Xu Youyou: “My mother said, there is no such thing as getting something for nothing, if there is, there must be a conspiracy!” The president who wanted to find white moonlight substitute: “….”
*5874 is a system whose mission is to change the miserable fate of the abused heroine Xu Youyou and make her happy. But, look at the little beany who is only three years old in front of her, and look at the terrible environment of the orphanage. The system decides to tell a lie “Youyou don’t be afraid, I’m your mother.”
After fifteen years of conscientious teaching, the system fell into a deep sleep due to a lack of energy. When it woke up again and found Xu Youyou living in a beautiful villa with countless jewels and beautiful clothes. The system was heartbroken: “Baby, why are you still …” Xu Youyou is excited: “Mom! You finally woke up! You were right! The best money in the world is money earned from loving a brainy man! System: “… Did I say that?”

- Description from Novelupdates

only led to his death.But fate had other plans.Reincarnated as the son of the strongest being in existence, the Demon King. One might expect him to resist, to rebel against the Demon King and kill him once and for all.But why bother?Being the good guy led to nothing but betrayal and death. This time, he'll live for himself. Women, pleasure, power—he will claim it all, as any true demon would.